21260343

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{347}}^1\times {\mathrm{1571}}^1$

素因数の和:1934

約数の個数: 16

約数和(自身を含む): 30635136

約数和(自身を除く): 9374793

約数列:

[1, 3, 13, 39, 347, 1041, 1571, 4511, 4713, 13533, 20423, 61269, 545137, 1635411, 7086781, 21260343]

約数ペア:

[(1, 21260343), (3, 7086781), (13, 1635411), (39, 545137), (347, 61269), (1041, 20423), (1571, 13533), (4511, 4713)]